All the sources codes

public static addClass($class: string, element: string) {
    const elements = $(element);
    if (elements.length > 0) {
      elements.each(function () {
        $(this).addClass($class);
      });
    }
  }

(Math.random() * (5 - (-5)) + - 5).toFixed(2)

public var isDialog : Bool;

...

public function isLabelDialog() : Bool
{
if (this.isDialog == true)
return true;
else 
return false;
}